Implement raising and depth-regulating mechanism



E. MOSS IMPLEMENT RAISING AND DEPTH REGULATING MECHANISM.

APPLICATION FILED NOV. 13' I9I9.

Patented Feb. 14, 1922.

UNITED sr rss PATENT OFFICE,

ERNEST MOSS, OF CHRISTCHURCH, NEW ZEALAND.

IMPLEMENT RAISING AND DEPTH-REGULATING MECHANISM.

Specification of Letters Patent.

Patented Feb. 1 1, 1922.

Application filed November 18, 1919. Serial No. 338,875.

plicable alike to implements of the walking,-

riding or tractor-drawn types, whereby the Said operations may be performed by the plowman or driver by a simple manipulation which calls for no physical effort.

The invention is such that it may be ap- "plied in the form of an attachment adapted to be mounted upon the frame of-the implement or upon the hand-lever or other known I or existing means of depth adjustment which latter arrangement is considered preferable inasmuch as itaflords a ready means for obtaining the general setting of the implement as required for various classes of work.

In order that the nature of the invention andlits construction may be clearly understood,- reference will now be made to the accompanying sheet'of drawingsin which g- Figure 1. is a perspective view of a double furrow walking plow showing the invention applied thereto; 7 f;

Figure 2. shows the invention as viewed from the outer side, or side away from the plow, the position of the parts when the plow is in its lowest condition being shown in full lines, while the position of such parts when the plow is in its highest condition is indicated in dotted lines. I

Figure 3. shows the device as viewed from the-inner side, illustrating the means em ployed for controlling and operating the detent or locking means.

Figure 1. shows the device as in Figure 2,

but with the quadrant and gear-wheels removed, in order to illustratethe means employed for locking the sun-wheel for rotation, and, I V

Figure -5. shows a construction whereby the stub-axle of any land-wheel may be at tached to the planet-wheel of the device.

In carrying the invention into effect the 1 construction comprises a suitable plate or base 1 adapted to be rigidly secured to the plow-frame 2 or to the lower end of the hand-lever 8 or, if so desired, such base may be included integral with either of such parts.

As here shown, the base 1 is attached to the hand-lever 3 by means of a bolt or stud 1 passing through the hole or eye in the lower extremity of the latter and secured therein by means of a nut 6. To hold it rigidly in place and to prevent it from turnmg or becoming loose, the said base is formed with an arm or portion 7which extends upward with the hand-lever for a suitable distance and terminates at its upper end in a T-shaped formation 8 having a pair of returned lugs 9 through which are tapped a pair of set-screws 10 adapted to bear against the upper and lower edges of the hand-lever ure 3). v

Pivoted upon the base, as by means of the (as clearly shown in Fig said bolt or stud 4, is a member 11 upon the portion of which projecting upon the forward side of the said pivot 41-, and at a suitable distance or radius from the latter,-

is carried the land-wheel 12, the arrangement being such that by turning the said member 11 in one direction or the other the implement will be raised or lowered in retaining the said member 11 in each of its various positions. For this purpose the member 11 preferably, though not necessarily, takes the form of a qua drant, as here shown. having at a suitable radius from its said pivot 4 a series of notches, teeth or projections 13 adapted to be engaged by a detent mounted'upon the base 1 or other fixed point in relation to the frame of the implement, or the hand-lever as the case may be.

When the implement is in the raised condition therefore, the withdrawal of the detent from the teeth 18 of the quadrant will permit such implement to sink by gravity,

For the purpose of raising the implement,

the base 1 or its equivalent and concentrically with the said pivot 4. The teeth of the said sun-wheel 14 intermesh with those of a planet-wheel 15 which is rotated by the hand-wheel 12. Under normal conditions both, sun and planet-wheels revolve idly upon their respective axes but when lifting of the plow is required the sun-wheel is locked from rotation thus causing the planetwheel, which continues to revolve with the land-wheel, to perform a planetary or epicyclic movement around such sun-wheel, which results in a turning of the member or quadrant 11 upon its pivot 4: and a consequent raising of the implement (as indicated in dotted lines Figure 2).

For the purpose of so looking the sunwheel a plate or disc 16 (Figure: 4) is attached to such sun-wheel or rigidly connecte-d therewith as by means or a sleeve 17 as here shown, such disc or plate 16 being; formed or provided with one or more: suitable notches, teeth or projections 18 adapted to be engaged by a detent carried'upon the base 1 or other fixed point in relation to the frame of the implement or the hand lever as the case may be.

It so desired however, the disc or plate 16 may be dispensed with, in which case suitable formations in lieu of the notches 18 will be provided upon the sun-wheel 14: itself.

in practice a single detent or sliding bolt 1!) is provided and adapted when in one extreme position (as indicated in full lines Figured) to engage the teeth 13 oi the quadrant and in its other extreme posi ion to engage in one of the notches 18 of the disc 16 and so look the sun-wheel from rotation, while in its intermediate position such detent 19 will be clear of both disc and quadrant and will therefore, permit the implement to sink by gravity.

As here shown the detent 19 is slidably mounted between guides 20 upon the base 1, while for the purpose of so operatinn; such detent a hell-crank lever 22 is pivoted as at 23 upon the base 1, the short arm of such lever being connected with, such detent 19 as by means of a screw or the like 24 passing through a slot 25 in the base 1, asclearly shown in. Figure 3. To the other or longer arm of the said lever 22 is attached a cord or the like 26 adapted to be manipulated by the plowman or driver from his ordinary position either walking in rear of the implement. or seated. on the latter or on the tractor as the case may be.

In cases where it is desired-to manipulate thedevice with a forward pull of the cord 26, the lever -14 may be reversedyso as to place its pivotfl to the rearward instead of the forward side of the detentil?) orthe same purpose may be accomplished by the employment of a bell-crank, sheave-block orother' suitable means for reversing the direction of the cord 26.

For the purpose of normally carrying the detent into theposition of engagement with theteeth- 13 of thequa-drant a spring or the- .equivalent 2? is employed and adapted to ex- .ert a tension ;upon the lever 22 in the required direction. or again the same purpose may be effected by the employment of a spring adapted tent 19 itself.

T he arrangement is such that if the cord is pulled for a slight distance the detent will be drawn out of engagement with the quadrant and placed in the intermediate or neutral position thus peri'i'iitting theimplernent to sink by gravity, while by pulling the cord for a somewhat greater distance the detent will be caused to engage the disc of the sun-wheel and thuseflcct the raising of the implement in the manner already described. Upon the cord being released when the quadrant is in any position the spring will cause the detent to engage the nearest notch 13 in such quadrant.

If desired however, a brake, clutch, or other suitable means may be employed for locking the sun-wheel in the requiredmanner. 7

The planet-wheel may be attached to the land-wheel in any suitable manner so as to be operated directly thereby or the two may be connected by means of suitable gearing. in cases where it is desired" to apply the device to various standard makes of plows without alteration or discarding a-ny ot the parts of the latter, the construction to act directly upon the deshown in Figure 5 is employed; In this case formed integral With theplan'etwheel 15 or mounted thereon. is a lug 28 to which the stubarxle 29 of the land-wheel 12is bolted as bymeans ofthe nut ,30, while to provide the necessary drive,-one or more projections 31 are formed upon. the lug 28' and adapted toengage the spokes 32 of such landwheel in any suitable manner.

sultable means are provided for automaticallycaus'ing the detent ,19 to release the disc 16 and enga-geithe "projections 13 of the quadrant at the completion-of the lifting movement otthe device.

As here shown these means comprise a projection 33 upon the detent'119 and adapted to extend'i rom the face of the latter into a suitable clearance slot 34, such slot having a suitable inclined surface or-format1on 35 'adapted, when the extremity otthe lifting movement reached, to so engage the projection 33 as to operate the detent 19 inthe required manner.

It will be understood thatby applying the device to the hand-lever of the implem nt, as here shown, the ordinary screw 36- It will be understood also thatth device may be applied to any or all of-theiwheels" of the plow or.- any other implement in to the frame which lifting or depth regulation. is required.

I claim:

1. In an agricultural implement, the combination of a frame, a hand-lever pivoted on said frame, a base adjustably secured to one end oi said lever, a lifting member pivoted on said base in nxtaposition thereto and adapted to raise or lower the frame, said lifting member being provided in one side thereof with a plurality of teeth, a member slidable on the side of said base adjacent to said pivoted member and having one end adapted to engage said teeth thereby to retain said oivoted member in various positions of a justment, a land Wheel mounted for rotation on said pivoted member and s paced radially from the pivot of said member, a sun wheel mounted for rotation on said pivot, a planet wheel carried by said land wheel in mesh with said sun wheel, a ratchet disk carried by said sun Wheel in the same vertical plane as the teeth of said pivoted member, whereby the opposite end of said slidable member Will engage said disk and lock the sun wheel against rotation,

means for releasing said slidable member from said disk and from said teeth, and cooperating means carried by said slidable member and pivoted member for releasing the slidable member from said disk independently of said last means.

2. In an agricultural implement, the eombination of a frame, a lifting member in pivotal connection with said frame, a sun wheel carried by said lifting member and mounted for rotation concentrically with the pivot of said member, a planet wheel carried by the lifting member in intermeshing relation with said sun wheel, a land wheel having a stub axle, means carried by said planet wheel for rotatably supporting said stub axle in concentric relation with the planet wheel, and means carried by said last means for engaging said land wheel thereby to rotate the same with said planet wheel.

In testimony whereof I have signed my name to this specification.

ERNEST MOSS. Witnesses:

OYRLL CARLYoN COATEs, SIDNEY JAMES TRELEAVEN. 

